2890959980

素因数分解:

$2^2\times 5^1\times {\mathrm{144547999}}^1$

素因数の和:144548008

約数の個数: 12

約数和(自身を含む): 6071016000

約数和(自身を除く): 3180056020

約数列:

[1, 2, 4, 5, 10, 20, 144547999, 289095998, 578191996, 722739995, 1445479990, 2890959980]

約数ペア:

[(1, 2890959980), (2, 1445479990), (4, 722739995), (5, 578191996), (10, 289095998), (20, 144547999)]